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74LS40 The 74LS40 is a dual 4-input NAND gate IC from SESCOCEM with buffered outputs. It operates at a 5V supply voltage.
Mfr Part #:

74LS40

Available from 1 distributors
Mfr Name: SESCOCEM
SESCOCEM
The 74LS40 is a dual 4-input NAND gate IC from SESCOCEM with buffered outputs. It operates at a 5V supply voltage.
✓ Total Stock: 6 pcs
$ Price Range: $14.50

74LS40 Available from 1 distributor

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✓ Non-Authorised
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6 pcs
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74LS40 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Gate Type
Mounting Type
Number of Gates
Operating Voltage
Output Type
Storage Temperature
Tape & Reel
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74LS40 Description

Short technical summary and product information.

The 74LS40 is a versatile integrated circuit featuring two independent 4-input NAND gates, each equipped with buffered outputs. This design allows for higher current output compared to standard NAND gates, making it suitable for various digital logic applications.

 

The chip operates with a VCC voltage of 5V. Each output can source a maximum of 1.2 mA or sink a maximum of 24 mA. The 74LS40 comes in a 14-pin package and is designed for through-hole mounting.

 

This component is part of the 7400 series of logic ICs, offering reliable performance for digital circuit design. Its dual gate structure and buffered outputs provide flexibility in implementing complex logic functions.

74LS40 Quick Information

Product Type: Dual 4-input NAND Gate
Series: 74LS
Canonical Name: 74LS40 Dual 4-input NAND Gate
Subcategory: NAND Gate

74LS40 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

74LS40 Estimated Pricing

Qty Low High
1+ $14.50 $14.50

Estimated market price range - modelled values for guidance only, not live distributor offers.

74LS40 Features

  • Dual 4-input NAND gates
  • Buffered outputs for higher current
  • Operates at 5V supply voltage
  • 1.2mA sourcing, 24mA sinking current
  • 14-pin package for through-hole mounting

74LS40 Applications

  • Digital logic circuit implementation
  • Signal buffering applications
  • Control and switching circuits
  • Educational electronics projects

74LS40 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage for the 74LS40?

The 74LS40 operates at a VCC voltage of 5V.

How many inputs does each gate on the 74LS40 have?

Each gate on the 74LS40 has 4 inputs.

What type of logic gate is the 74LS40?

The 74LS40 is a NAND gate.

Does the 74LS40 have buffered outputs?

Yes, the 74LS40 features buffered outputs.

What is the maximum sinking current for the 74LS40?

The maximum sinking current for the 74LS40 is 24mA.

What is the package type for the 74LS40?

The 74LS40 comes in a 14-pin package.

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